TÍtulo Keep it clean : highlights of Bethlehem's pollution control program.

Publicacion

[Bethlehem, Pa, 1970]

Copias

Localización	Signatura	Estado
IU 3rd Floor	TD897 .B44	AVAILABLE

Descripcion	32 p : col. illus ; 29 cm.
Nota	Cover title.
Materia	Factory and trade waste -- Environmental aspects -- Pennsylvania -- Bethlehem.
	Sewage -- Purification.